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Walter Brown
John Porter
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Individual
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Individual
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Publication of GB190706433ApublicationCriticalpatent/GB190706433A/en
6433. Brown, W., and Porter, J. March 18. Rotary brushes. - The e renewable end e of rotary lamp -gauze cleaning-brushes is provided with a tapering peg g of square section to engage with a square hole h in the stock a.
GB190706433D1907-03-181907-03-18Improvements in Machine Brushes for Cleaning Lamp Gauzes and for Polishing Purposes
ExpiredGB190706433A
(en)